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Diffstat (limited to 'include/linux/ipv6.h')
-rw-r--r--include/linux/ipv6.h32
1 files changed, 21 insertions, 11 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 69a0decfbdf4..7d3908594fac 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -348,26 +348,36 @@ static inline void inet_sk_copy_descendant(struct sock *sk_to,
#include <linux/tcp.h>
+struct inet6_timewait_sock {
+ struct in6_addr tw_v6_daddr;
+ struct in6_addr tw_v6_rcv_saddr;
+};
+
struct tcp6_timewait_sock {
- struct tcp_timewait_sock tw_v6_sk;
- struct in6_addr tw_v6_daddr;
- struct in6_addr tw_v6_rcv_saddr;
+ struct tcp_timewait_sock tcp6tw_tcp;
+ struct inet6_timewait_sock tcp6tw_inet6;
};
-static inline struct tcp6_timewait_sock *tcp6_twsk(const struct sock *sk)
+static inline u16 inet6_tw_offset(const struct proto *prot)
+{
+ return prot->twsk_obj_size - sizeof(struct inet6_timewait_sock);
+}
+
+static inline struct inet6_timewait_sock *inet6_twsk(const struct sock *sk)
{
- return (struct tcp6_timewait_sock *)sk;
+ return (struct inet6_timewait_sock *)(((u8 *)sk) +
+ inet_twsk(sk)->tw_ipv6_offset);
}
-static inline struct in6_addr *__tcp_v6_rcv_saddr(const struct sock *sk)
+static inline struct in6_addr *__inet6_rcv_saddr(const struct sock *sk)
{
return likely(sk->sk_state != TCP_TIME_WAIT) ?
- &inet6_sk(sk)->rcv_saddr : &tcp6_twsk(sk)->tw_v6_rcv_saddr;
+ &inet6_sk(sk)->rcv_saddr : &inet6_twsk(sk)->tw_v6_rcv_saddr;
}
-static inline struct in6_addr *tcp_v6_rcv_saddr(const struct sock *sk)
+static inline struct in6_addr *inet6_rcv_saddr(const struct sock *sk)
{
- return sk->sk_family == AF_INET6 ? __tcp_v6_rcv_saddr(sk) : NULL;
+ return sk->sk_family == AF_INET6 ? __inet6_rcv_saddr(sk) : NULL;
}
static inline int inet_v6_ipv6only(const struct sock *sk)
@@ -395,8 +405,8 @@ static inline struct raw6_sock *raw6_sk(const struct sock *sk)
return NULL;
}
-#define __tcp_v6_rcv_saddr(__sk) NULL
-#define tcp_v6_rcv_saddr(__sk) NULL
+#define __inet6_rcv_saddr(__sk) NULL
+#define inet6_rcv_saddr(__sk) NULL
#define tcp_twsk_ipv6only(__sk) 0
#define inet_v6_ipv6only(__sk) 0
#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */